This is an activity about sunlight as an energy source. Learners will create a plant box and observe that a plant will grow toward the Sun, its primary source of energy. This hands-on activity is an additional lesson as part of the book, The Day...(View More) Joshua Jumped Too Much.(View Less)

In this activity, learners build a sextant to measure the altitude, or height above the horizon, of an object. The activity was originally designed to accompany a previous NASA-funded educational program, entitled The Sun in Time.